Home / 20,086.85-30,148.94-10,233.54

Finding the Fourth Proportional to 20,086.85, 30,148.94 and 10,233.54

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Solution

The fourth proportional to 20,086.85, 30,148.94 and 10,233.54 is: 15,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.85 : 30,148.94 = 10,233.54 : x
  2. Step 2: Convert to fraction form
    20,086.85/30,148.94 = 10,233.54/x
  3. Step 3: Cross multiply
    20,086.85x = 30,148.94 × 10,233.54
  4. Step 4: Simplify right side
    20,086.85x = 308,530,409.03
  5. Step 5: Solve for x
    x = 308,530,409.03/20,086.85
  6. Step 6: Final answer
    x = 15,359.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.